I updated my Bios recently to 213 and after the bios upgrade my laptop when coming from a cold start it is showing a black screen and stuck there, I need to do a hard reset and then switch it back on again to keep it working, dont know whats wrong with this one. also i tried to switch from raid to ahci but when i restart it it says that the system cannot continue showing some diagnostic option. can somebody help me on this.(just a casual user here)